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Acids, bases and titration — Question 24

QCAA 2024, Paper 1 · 4 marks

Q24 · 2024 · Paper 1Unclassified4 marks

QUESTION 24 (4 marks)

The pKw of pure water at various temperatures was determined, to investigate the effect of temperature on the equilibrium position of self-ionisation of water. The results are shown.

Chemistry question figure

Explain the effect of increasing the temperature on the pH of water by considering the enthalpy of the forward reaction.

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